*{
    padding: 0;
    margin: 0;
    box-sizing: border-box;
}
body{
    background-color: grey;
}
ul{
    list-style: none;
}
ul>li:first-child{
    margin-top: 5vw;
}
ul>li{
    width: 28vw;
    height: 28vw;
    background-color: white;
    border-radius: 10px;
    padding: 2vw;
    margin-bottom: 5vw;
}
.dot{
    width: 6vw;
    height: 6vw;
    border-radius: 50%;
    background-color: black;
}
.floor{
    height: 30%;
    width: 100%;
}
ul>li:last-child .dot{
    margin-right: 3vw;
}
ul>li:last-child .dot:last-child{
    margin-right:0;
}